Notes

"This map made for the North West Company in 1813 and 1814 and delivered to the Honorable William McGillivray then agent embraces the region lying between 45 and 60 degrees North latitude and 84 and 124 degrees West longitude comprising the surveys and discoveries of 20 years namely the discovery and survey of the Oregon Territory to the Pacific Ocean[,] the survey of the Athabasca lake, Slave river and lake from which flows Mackenzies river to the arctic sea by Mr Philip Turner[,] the route of Sir Alexander Mackenzie in 1792 down part of Frasers river together with the survey of this river to the Pacific Ocean by the late John Stewart of the North West Company by David Thompson[,] astronomer and surveyor" Map extends from East end of Lake Superior to the mouth of the Fraser River.